import React from "react"
import "./header.less"
function Headers(){
    var t = null;
    t = setTimeout(time, 1000); //開始运行
    function time() {
      clearTimeout(t); //清除定时器
      if(document != null && document.querySelector(".showTime") != null){
        var dt = new Date();
        var y = dt.getFullYear();
        var mt = dt.getMonth() + 1;
        var day = dt.getDate();
        var h = dt.getHours(); //获取时
        var m = dt.getMinutes(); //获取分
        var s = dt.getSeconds(); //获取秒
        document.querySelector(".showTime").innerHTML =
          "当前时间：" +
          y +
          "年" +
          mt +
          "月" +
          day +
          "-" +
          h +
          "时" +
          m +
          "分" +
          s +
          "秒";
        t = setTimeout(time, 1000); //设定定时器，循环运行
      }
    }
    return(
            <header>
             <h1>正版化检测大屏</h1>
             <div className="showTime"></div>
            </header>
    )
}
export default Headers